.List{
    width: 654px;
    margin: 0 auto;
    display: flex;
    /* background-color: aquamarine; */
}
.List_body{
    width: 654px;
    margin: 0 auto;
}
.list_but{
    display: flex;
    justify-content: space-between;
    height: 50px ;
    line-height: 50px;
}
ul{
    list-style: none;
    padding: 0;
}
.List li{
    width: 327px;
    display: flex;
    /* border:  1px solid; */
    height: 40px;
    line-height: 40px;
}
.List span{
    display: block;
    width: 20px;
    text-align: center;
}